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Contract OI history

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Dec 18, 2026 EXPIRATION

BLSH $35.00 Put

BLSH261218P00035000

Latest saved OI333Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BLSH $35.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3331660 2026-10-02: 325 OI2026-10-05: 328 OI2026-10-06: 328 OI2026-10-07: 332 OI2026-10-08: 333 OI2026-10-09: 332 OI2026-10-13: 333 OI2026-10-14: 333 OI2026-10-16: 333 OI2026-10-20: 333 OI2026-10-23: 333 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BLSH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3330
Oct 20, 20263330
Oct 16, 20263330
Oct 14, 20263330
Oct 13, 2026333+1
Oct 09, 2026332-1
Oct 08, 2026333+1
Oct 07, 2026332+4
Oct 06, 20263280
Oct 05, 2026328+3
Oct 02, 2026325No prior observation